Home / 1,711.51-2,362.56-1,153.57

Finding the Fourth Proportional to 1,711.51, 2,362.56 and 1,153.57

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Solution

The fourth proportional to 1,711.51, 2,362.56 and 1,153.57 is: 1,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.51 : 2,362.56 = 1,153.57 : x
  2. Step 2: Convert to fraction form
    1,711.51/2,362.56 = 1,153.57/x
  3. Step 3: Cross multiply
    1,711.51x = 2,362.56 × 1,153.57
  4. Step 4: Simplify right side
    1,711.51x = 2,725,378.34
  5. Step 5: Solve for x
    x = 2,725,378.34/1,711.51
  6. Step 6: Final answer
    x = 1,592.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.